diff --git a/docs/create-modify-element.mdx b/docs/create-modify-element.mdx
index 92ad48e..951fd78 100644
--- a/docs/create-modify-element.mdx
+++ b/docs/create-modify-element.mdx
@@ -144,4 +144,6 @@ eleDiv.appendChild(eleH1)
 
   💔 `.appendChild()` only allows a single element as input.
   </Admonition>
-</Accordion>
\ No newline at end of file
+</Accordion>
+
+[Read on MDN](https://developer.mozilla.org/en-US/docs/Web/API/Node/appendChild)
\ No newline at end of file